Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884221 | Color measuring apparatus | Masami Sugiyama, Yoshihiro Tasaka | 1989-11-28 |
| 4877719 | Process for preparing image-bearing plates | Tatsuji Higashi | 1989-10-31 |
| 4874686 | Photosensitive lithographic plate necessitating no dampening water | Yoshihiko Urabe, Tatsuji Higashi, Hiroshi Takahashi | 1989-10-17 |
| 4845009 | Photosensitive composition comprising a polymer with maleimido group in side chain and a diazo resin | Masanori Imai | 1989-07-04 |